- Definitions|2
- Thesaurus|3k
- Abbreviations|0
153 entries under firm topic. ×
| stout(adjective, strong, hard, tough) | |
| thick(adjective, strong, hard, tough) | |
| thickened(adjective, hard, solid, stiff) | |
| unbreakable(adjective, strong, hard, severe) | |
| unreasonable(tough, obstinate, stubborn, willful) | |
| unsupple(adjective, hard, solid, stiff) | |
| untoward(tough, unreasonable, obstinate, stubborn) | |
| wooden(adjective, strong, hard, solid) | |
| compacted(adjective, set, strong, hard) | |
| consolidated(adjective, set, strong, hard) | |
| durable(adjective, strong, hard, solid) | |
| militant | |
| packed(adjective, set, strong, hard) |
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| APA | Smart Define. (2016). inflexible thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/inflexible/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "inflexible thesaurus" https://smartdefine.org/inflexible/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, inflexible thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/inflexible/thesaurus/synonyms>. |
| MLA | Smart Define. "inflexible thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/inflexible/thesaurus/synonyms> |